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(11)

EP 3 801 836 A1

(12)

(43) Date of publication: 14.04.2021 Bulletin 2021/15 (21) Application number: 19728622.2 (22) Date of filing: 29.05.2019

(51) International Patent Classification (IPC):  B01D 53/22(2006.01) B65D 88/74(2006.01) A23B 7/148(2006.01) (86) International application number: PCT/EP2019/063981 (87) International publication number: WO 2019/229132 (05.12.2019 Gazette 2019/49)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 01.06.2018 DK PA201870321 (71) Applicant: Maersk Container Industry A/S 6360 Tinglev (DK)	(72) Inventors: POULSEN, Niels Nielsen 6360 Tinglev (DK) MADSEN, Poul Kim 6360 Tinglev (DK) (74) Representative: Zacco Denmark A/S  Arne Jacobsens Allé 15 2300 Copenhagen S 2300 Copenhagen S (DK)